[Amps] SB-220 and Copious Amounts of Smoke...

[Carl]

There are numerous postings on the Internet why that short occurs and 
the procedure to eliminate the problem with a new transformer.

Carl
KM1H


----- Original Message ----- 
From: <Gudguyham at aol.com>
To: <amps at hidden-valley.com>; <amps at contesting.com>
Sent: Wednesday, February 04, 2009 7:31 AM
Subject: Re: [Amps] SB-220 and Copious Amounts of Smoke...


> With no load the filament transformer draws little current, with tubes 
> in,
> it draws 30 amps.  If there is a suspect short in the transformer it 
> will  be
> more prominent with the tubes in than without.  Assuming the tubes are 
> good
> and there is no filament to grid short, your filament transformer is 
> now  toast.
> Start looking for another one. Or have that one rewound.  Good  Luck
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